Data

WAMSI Node 3.2.1 - Diversity, abundance and habitat utilisation of sharks and rays - Summary

Australian Ocean Data Network
CSIRO O&A, Information & Data Centre (Point of contact) CSIRO Oceans & Atmosphere - Hobart (Associated with)
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ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://marlin.csiro.au/geonetwork/srv/eng/catalog.search#/metadata/bc1b3741-e823-5039-e044-00144f7bc0f4&rft.title=WAMSI Node 3.2.1 - Diversity, abundance and habitat utilisation of sharks and rays - Summary&rft.identifier=Anzlic Identifier: ANZCW0306008791&rft.publisher=Australian Ocean Data Network&rft.description=From April 2007 to June 2009, six field trips were undertaken to investigate the elasmobranch faunal composition of the Ningaloo Marine Park (NMP), determine the distribution and abundance of species, and examine the habitat utilisation, movement patterns and activity space of selected key species. Dive and longline surveys, passive acoustic telemetry and satellite tracking were used to collect data. Of interest to management, was whether existing sanctuary zones were effective for elasmobranchs as well as the location and timing of aggregation sites reported for some species. Satellite tagging data: Two types of platform transmitter terminals (PTTs) were used, Wildlife Computers (Redmond, USA) smart position or temperature transmitting tag (SPOT4 or SPOT5) and SPLASH tags. Longline survey data Longline fishing was used to survey elasmobranchs outside the reef and was carried out from the Western Australia Fishery Department vessel RV 'Naturaliste'. A total of 111 longline sets were made between Three Mile Camp towards the southern extremity of the Marine Park, to northeast of the Muiron Islands outside the northern limits of the Park; the distribution of these sets are shown in the thumbnail. Of these 111 sets, 17 were in sanctuary zones and 94 in non-sanctuary zones (in the thumbnail picture the hatched areas are sanctuary zones). Lagoon and reef edge dive survey data Snorkel and SCUBA underwater visual surveys were conducted as part of four field trips to Ningaloo in April and June 2007 and August and December 2008. The June and August surveys were restricted to the reef edge on SCUBA, while the April and December surveys were mainly on snorkel and in the lagoon. While the original intention was to provide coverage through the different seasons, poor weather conditions coincided with most of the planned fieldwork (including cyclone 'Nicholas') resulting in re-scheduling of some trips. A total of 137 sites were surveyed between Vlaming Head on the northeast of the Cape to Gnaraloo in the southern part of the Marine Park (see thumbnail picture). Of these surveys, 89 were in sanctuary zones and 48 in non-sanctuary zones (sanctuary zones are shown as hatched in the picture). Acoustic data Elasmobranchs were tagged with acoustic tags and subsequently monitored with acoustic receivers (Vemco VR2, VR2W and VR3) moored on the seabed that constitute the Ningaloo Reef Ecosystem Tracking Array (NRETA). This array is part of the nationwide network of marine acoustic monitoring, the Australian Acoustic Tagging and Monitoring System (AATAMS). A total of 96 acoustic receivers are deployed at Ningaloo Reef between Coral Bay and Tantabiddi. A total of 56 acoustic tags were deployed on six species of sharks and three species of rays in the Ningaloo Marine Park in February 2008. Data is accessible through the IMOS AATAMS website 11 Nervous Sharks (Carcharhinus cautus) 10 Giant Shovelnose Rays (Glaucostegus typus) 9 Blacktip Reef Sharks (Carcharhinus melanopterus) 9 Grey Reef Sharks (Carcharhinus amblyrhynchos) 8 Cowtail Stingrays (Pastinachus atrus) 4 Porcupine Rays (Urogymnus asperrimus) 4 Lemon Sharks (Negaprion acutidens) 1 Tiger Shark (Galeocerdo cuvier) 1 Whitetip Reef Shark (Triaenodon obesus)Progress Code: completedMaintenance and Update Frequency: asNeededStatement: SPECIES COMPOSITION *Lagoon and reef edge surveys* Snorkel and SCUBA underwater visual surveys were conducted as part of four field trips to Ningaloo in April and June 2007 and August and December 2008. The June and August surveys were restricted to the reef edge on SCUBA, while the April and December surveys were mainly on snorkel and in the lagoon. While the original intention was to provide coverage through the different seasons, poor weather conditions coincided with most of the planned fieldwork (including Cyclone Nicholas) resulting in re-scheduling of some trips. *Offshore surveys* Longline fishing was used to survey elasmobranchs outside the reef and was carried out from the Western Australia Fishery Department vessel RV 'Naturaliste'. Longlines comprised 1 km of 12 mm diameter mainline with (usually) 50 hooks. Snoods were 8-10 m apart and each snood was 2 m long and had an 11/0 or 12/0 J hook baited with mullet. About 250 hooks were set per day, as between one and five separate lines. Lines were generally set for periods of between 2.4 h and 5.2 h (mean of 3.6 h) over the dawn period but 10 lines (set over 2 days) were set at dusk and retrieved at dawn the following day (mean soak time of 15.2 h). *Comparison with historic research data* The Western Australian Department of Fisheries has conducted longline research cruises with RV 'Naturaliste' throughout NMP and beyond since November 2001. *Data analysis* The number of shark sightings (dive surveys) and catch rates (longline surveys) were compared between sanctuary and non-sanctuary zones with a one-way Analysis of Variance (ANOVA). SPATIAL DYNAMICS *Acoustics* Elasmobranchs were tagged with acoustic tags and subsequently monitored with acoustic receivers (Vemco VR2, VR2W and VR3) moored on the seabed that constitute the Ningaloo Reef Ecosystem Tracking Array (NRETA). This array is part of the nationwide network of marine acoustic monitor&rft.creator=Anonymous&rft.date=2011&rft.coverage=westlimit=113; southlimit=-23.4; eastlimit=114.2; northlimit=-21.7&rft.coverage=westlimit=113; southlimit=-23.4; eastlimit=114.2; northlimit=-21.7&rft_rights=&rft_rights=Data is made available under a Creative Commons Attribution 4.0 International Licence (http://creativecommons.org/licenses/by/4.0/). Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was provided by CSIRO.&rft_subject=biota&rft_subject=environment&rft_subject=oceans&rft_subject=Earth Science | Biological Classification | Animals/Vertebrates | Fish | Ray-Finned Fishes&rft_subject=Earth Science | Biological Classification | Animals/Vertebrates | Fish | Sharks/Rays/Chimaeras&rft_subject=Earth Science | Biosphere | Aquatic Ecosystems | Reef Habitat&rft_subject=Earth Science | Biosphere | Ecological Dynamics | Species/Population Interactions | Range Changes&rft_subject=Longlines&rft_subject=Tags and Tracking Devices&rft_subject=Underwater Surveys (acquisition and/or analysis)&rft_subject=Coastal Waters (Australia) | West Australia Coast West, WA&rft_subject=Global / Oceans | Indian Ocean&rft_subject=Western Australian Marine Science Institute&rft.type=dataset&rft.language=English Access the data
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Data is made available under a Creative Commons Attribution 4.0 International Licence (http://creativecommons.org/licenses/by/4.0/). Data is supplied 'as is' without any warranty or guarantee except as required by law to be given to you. The data may not be free of error, comprehensive, current or appropriate for your particular purpose. You accept all risk and responsibility for its use. ATTRIBUTION STATEMENT: The dataset [Insert-dataset-name-here] downloaded on [Insert-DD-Mmm-YYYY-here] was provided by CSIRO.

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From April 2007 to June 2009, six field trips were undertaken to investigate the elasmobranch faunal composition of the Ningaloo Marine Park (NMP), determine the distribution and abundance of species, and examine the habitat utilisation, movement patterns and activity space of selected key species. Dive and longline surveys, passive acoustic telemetry and satellite tracking were used to collect data. Of interest to management, was whether existing sanctuary zones were effective for elasmobranchs as well as the location and timing of aggregation sites reported for some species. Satellite tagging data: Two types of platform transmitter terminals (PTTs) were used, Wildlife Computers (Redmond, USA) smart position or temperature transmitting tag (SPOT4 or SPOT5) and SPLASH tags. Longline survey data Longline fishing was used to survey elasmobranchs outside the reef and was carried out from the Western Australia Fishery Department vessel RV 'Naturaliste'. A total of 111 longline sets were made between Three Mile Camp towards the southern extremity of the Marine Park, to northeast of the Muiron Islands outside the northern limits of the Park; the distribution of these sets are shown in the thumbnail. Of these 111 sets, 17 were in sanctuary zones and 94 in non-sanctuary zones (in the thumbnail picture the hatched areas are sanctuary zones). Lagoon and reef edge dive survey data Snorkel and SCUBA underwater visual surveys were conducted as part of four field trips to Ningaloo in April and June 2007 and August and December 2008. The June and August surveys were restricted to the reef edge on SCUBA, while the April and December surveys were mainly on snorkel and in the lagoon. While the original intention was to provide coverage through the different seasons, poor weather conditions coincided with most of the planned fieldwork (including cyclone 'Nicholas') resulting in re-scheduling of some trips. A total of 137 sites were surveyed between Vlaming Head on the northeast of the Cape to Gnaraloo in the southern part of the Marine Park (see thumbnail picture). Of these surveys, 89 were in sanctuary zones and 48 in non-sanctuary zones (sanctuary zones are shown as hatched in the picture). Acoustic data Elasmobranchs were tagged with acoustic tags and subsequently monitored with acoustic receivers (Vemco VR2, VR2W and VR3) moored on the seabed that constitute the Ningaloo Reef Ecosystem Tracking Array (NRETA). This array is part of the nationwide network of marine acoustic monitoring, the Australian Acoustic Tagging and Monitoring System (AATAMS). A total of 96 acoustic receivers are deployed at Ningaloo Reef between Coral Bay and Tantabiddi. A total of 56 acoustic tags were deployed on six species of sharks and three species of rays in the Ningaloo Marine Park in February 2008. Data is accessible through the IMOS AATAMS website 11 Nervous Sharks (Carcharhinus cautus) 10 Giant Shovelnose Rays (Glaucostegus typus) 9 Blacktip Reef Sharks (Carcharhinus melanopterus) 9 Grey Reef Sharks (Carcharhinus amblyrhynchos) 8 Cowtail Stingrays (Pastinachus atrus) 4 Porcupine Rays (Urogymnus asperrimus) 4 Lemon Sharks (Negaprion acutidens) 1 Tiger Shark (Galeocerdo cuvier) 1 Whitetip Reef Shark (Triaenodon obesus)

Lineage

Progress Code: completed
Maintenance and Update Frequency: asNeeded
Statement: SPECIES COMPOSITION *Lagoon and reef edge surveys* Snorkel and SCUBA underwater visual surveys were conducted as part of four field trips to Ningaloo in April and June 2007 and August and December 2008. The June and August surveys were restricted to the reef edge on SCUBA, while the April and December surveys were mainly on snorkel and in the lagoon. While the original intention was to provide coverage through the different seasons, poor weather conditions coincided with most of the planned fieldwork (including Cyclone Nicholas) resulting in re-scheduling of some trips. *Offshore surveys* Longline fishing was used to survey elasmobranchs outside the reef and was carried out from the Western Australia Fishery Department vessel RV 'Naturaliste'. Longlines comprised 1 km of 12 mm diameter mainline with (usually) 50 hooks. Snoods were 8-10 m apart and each snood was 2 m long and had an 11/0 or 12/0 J hook baited with mullet. About 250 hooks were set per day, as between one and five separate lines. Lines were generally set for periods of between 2.4 h and 5.2 h (mean of 3.6 h) over the dawn period but 10 lines (set over 2 days) were set at dusk and retrieved at dawn the following day (mean soak time of 15.2 h). *Comparison with historic research data* The Western Australian Department of Fisheries has conducted longline research cruises with RV 'Naturaliste' throughout NMP and beyond since November 2001. *Data analysis* The number of shark sightings (dive surveys) and catch rates (longline surveys) were compared between sanctuary and non-sanctuary zones with a one-way Analysis of Variance (ANOVA). SPATIAL DYNAMICS *Acoustics* Elasmobranchs were tagged with acoustic tags and subsequently monitored with acoustic receivers (Vemco VR2, VR2W and VR3) moored on the seabed that constitute the Ningaloo Reef Ecosystem Tracking Array (NRETA). This array is part of the nationwide network of marine acoustic monitor

Notes

Credit
Funded by CSIRO and WAMSI (Western Australian Institute of Marine Science)
Credit
JD Stevens
Credit
PR Last
Credit
WT White (CSIRO Marine & Atmospheric Research
Credit
Hobart) RB McAuley (Department of Fisheries
Credit
Government of Western Australia
Credit
Perth) MG Meekan (Australian Institute of Marine Science
Credit
Perth)

Data time period: 2007-04-01 to 2009-12-31

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114.2,-21.7 114.2,-23.4 113,-23.4 113,-21.7 114.2,-21.7

113.6,-22.55

text: westlimit=113; southlimit=-23.4; eastlimit=114.2; northlimit=-21.7

Subjects
Coastal Waters (Australia) | West Australia Coast West, WA | Earth Science | Biological Classification | Animals/Vertebrates | Fish | Ray-Finned Fishes | Earth Science | Biological Classification | Animals/Vertebrates | Fish | Sharks/Rays/Chimaeras | Earth Science | Biosphere | Aquatic Ecosystems | Reef Habitat | Earth Science | Biosphere | Ecological Dynamics | Species/Population Interactions | Range Changes | Global / Oceans | Indian Ocean | Longlines | Tags and Tracking Devices | Underwater Surveys (acquisition and/or analysis) | Western Australian Marine Science Institute | biota | environment | oceans |

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url : https://svnserv.csiro.au/svn/WAMSIdata/WAMSI/trunk/3.2.1/

Identifiers
  • Local : Anzlic Identifier: ANZCW0306008791
  • Local : Marlin Record Number: 8791
  • global : bc1b3741-e823-5039-e044-00144f7bc0f4